Home / 774,204,962.40-1,161,307,443.60-343,383,458.40

Finding the Fourth Proportional to 774,204,962.40, 1,161,307,443.60 and 343,383,458.40

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Solution

The fourth proportional to 774,204,962.40, 1,161,307,443.60 and 343,383,458.40 is: 515,075,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,204,962.40 : 1,161,307,443.60 = 343,383,458.40 : x
  2. Step 2: Convert to fraction form
    774,204,962.40/1,161,307,443.60 = 343,383,458.40/x
  3. Step 3: Cross multiply
    774,204,962.40x = 1,161,307,443.60 × 343,383,458.40
  4. Step 4: Simplify right side
    774,204,962.40x = 398,773,766,249,030,912
  5. Step 5: Solve for x
    x = 398,773,766,249,030,912/774,204,962.40
  6. Step 6: Final answer
    x = 515,075,187.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.